public class Hand {
    private double length, area, grip;
    public Hand(){};
    public Hand(double length, double area, double grip)
    {
        this.length = length;
        this.area = area;
        this.grip = grip;
    }
    public void Catch(String thing)
    {
        System.out.print("抓着" + thing);
    }
    public void getInfo()
    {
        System.out.println("手长" + this.length + "厘米");
        System.out.println("手大" + this.area + "平方厘米");
        System.out.println("手的握力为" + this.grip + "kg");
    }
}
